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service.go
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service.go
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package consul
import (
"context"
"encoding/json"
"errors"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
"github.com/hashicorp/consul/api"
"github.com/fuhsicloud/fuhsicloud/src/config"
"github.com/fuhsicloud/fuhsicloud/src/consul"
"github.com/fuhsicloud/fuhsicloud/src/repository"
"github.com/fuhsicloud/fuhsicloud/src/util/paginator"
"strings"
)
var (
ErrConsulGet = errors.New("获取consul信息失败")
ErrConsulConnect = errors.New("consul链接失败")
ErrConsulDelete = errors.New("consul删除失败")
ErrConsulExist = errors.New("已存在同名consul")
ErrConsulCreate = errors.New("consul创建失败")
ErrConsulUpdate = errors.New("consul更新失败")
ErrConsulNotExist = errors.New("consul不存在")
ErrConsulKVGet = errors.New("KV信息获取失败")
ErrConsulKVParams = errors.New("参数错误")
ErrConsulKVPost = errors.New("KV创建失败")
ErrConsulKVDelete = errors.New("KV删除失败")
)
type Service interface {
// ACL信息同步到DB
Sync(ctx context.Context) (err error)
// 获取ACL详情
Detail(ctx context.Context, ns, name string) (res map[string]interface{}, err error)
// 获取ACL列表
List(ctx context.Context, ns, name string, page, limit int) (res map[string]interface{}, err error)
// 创建ACL
Post(ctx context.Context, ns, name, clientType, rules string) error
// 更新ACL
Update(ctx context.Context, ns, name, clientType, rules string) error
// 删除ACL
Delete(ctx context.Context, ns, name string) error
// 获取KV详情
KVDetail(ctx context.Context, ns, name, prefix string) (res map[string]interface{}, err error)
// 获取KV目录列表
KVList(ctx context.Context, ns, name, prefix string) (res map[string]interface{}, err error)
// 获取KV
KVPost(ctx context.Context, ns, name, key, value string) (err error)
// 删除KV或目录
KVDelete(ctx context.Context, ns, name, prefix string, filderState bool) (err error)
}
type service struct {
logger log.Logger
cf *config.Config
repository repository.Repository
}
func NewService(logger log.Logger, cf *config.Config, store repository.Repository) Service {
return &service{
logger,
cf,
store,
}
}
func (c *service) Sync(ctx context.Context) (err error) {
consulClient, err := consul.NewConsulClient(c.cf)
if err != nil {
_ = level.Error(c.logger).Log("Sync", "NewConsulClient", "err", err.Error())
return
}
aclList, err := consulClient.ACLList(nil)
if err != nil {
_ = level.Error(c.logger).Log("Sync", "ACLList", "err", err.Error())
return
}
go func() {
for _, v := range aclList {
nameStr := strings.Split(v.Name, ".")
if len(nameStr) < 2 {
_ = level.Error(c.logger).Log("Consul", "Sync", "Refused", v.Name)
continue
}
if err = c.repository.Consul().UpdateOrCreate(v, nameStr[0], nameStr[1]); err != nil {
_ = level.Error(c.logger).Log("Sync", "UpdateOrCreate", err.Error())
}
}
}()
return nil
}
func (c *service) Detail(ctx context.Context, ns, name string) (res map[string]interface{}, err error) {
consulInfo, notExist := c.repository.Consul().Find(ns, name)
if notExist == true {
err = ErrConsulGet
return
}
if consulInfo.Token != "" {
consulInfo.EncryptToken = strings.Replace(consulInfo.Token, consulInfo.Token[10:24], "**************", -1)
}
res = map[string]interface{}{
"id": consulInfo.ID,
"name": consulInfo.Name,
"namespace": consulInfo.Namespace,
"fullToken": consulInfo.Token,
"type": consulInfo.Type,
"rules": consulInfo.Rules,
"token": consulInfo.EncryptToken,
"consulRule": nil,
}
consulRule := map[string]interface{}{}
err = json.Unmarshal([]byte(consulInfo.Rules), &consulRule)
if err == nil {
res["consulRule"] = consulRule
}
return
}
func (c *service) List(ctx context.Context, ns, name string, page, limit int) (res map[string]interface{}, err error) {
count, err := c.repository.Consul().Count(ns, name)
if err != nil {
_ = level.Error(c.logger).Log("Consul", "List Count", "err", err.Error())
return nil, ErrConsulGet
}
p := paginator.NewPaginator(page, limit, count)
list, err := c.repository.Consul().FindOffsetLimit(ns, name, p.Offset(), limit)
if err != nil {
_ = level.Error(c.logger).Log("Consul", "List", "err", err.Error())
return nil, ErrConsulGet
}
var dat []map[string]interface{}
for _, val := range list {
var token string
if val.Token != "" {
token = strings.Replace(val.Token, val.Token[10:24], "**************", -1)
}
dat = append(dat, map[string]interface{}{
"id": val.ID,
"name": val.Name,
"namespace": val.Namespace,
"token": token,
"type": val.Type,
})
}
res = map[string]interface{}{
"items": dat,
"page": p.Result(),
}
return
}
func (c *service) Post(ctx context.Context, ns, name, clientType, rules string) error {
if _, notExist := c.repository.Consul().Find(ns, name); notExist == false {
return ErrConsulExist
}
consulClient, err := consul.NewConsulClient(c.cf)
if err != nil {
_ = level.Error(c.logger).Log("Post", "NewConsulClient", "err", err.Error())
return ErrConsulConnect
}
acl, err := consulClient.ACLCreate(&api.ACLEntry{
Name: ns + "." + name,
Type: clientType,
Rules: rules,
})
if err != nil {
_ = level.Error(c.logger).Log("Post", "ACLCreate", "err", err.Error())
return ErrConsulCreate
}
if _, err := c.repository.Consul().FirstOrCreate(acl, ns, name); err != nil {
_ = level.Error(c.logger).Log("Post", "FirstOrCreate", "err", err.Error())
return ErrConsulCreate
}
return nil
}
func (c *service) Update(ctx context.Context, ns, name, clientType, rules string) error {
consulInfo, notExist := c.repository.Consul().Find(ns, name)
if notExist == true {
return ErrConsulNotExist
}
consulClient, err := consul.NewConsulClient(c.cf)
if err != nil {
_ = level.Error(c.logger).Log("Update", "NewConsulClient", "err", err.Error())
return ErrConsulConnect
}
ae := api.ACLEntry{
Name: ns + "." + name,
ID: consulInfo.Token,
Type: clientType,
Rules: rules,
}
if err := consulClient.ACLUpdate(&ae); err != nil {
_ = level.Error(c.logger).Log("Update", "ACLUpdate", "err", err.Error())
return ErrConsulUpdate
}
if err = c.repository.Consul().UpdateOrCreate(&ae, ns, name); err != nil {
_ = level.Error(c.logger).Log("Update", "UpdateOrCreate", "err", err.Error())
return ErrConsulUpdate
}
return nil
}
func (c *service) Delete(ctx context.Context, ns, name string) error {
consulClient, err := consul.NewConsulClient(c.cf)
if err != nil {
_ = level.Error(c.logger).Log("Delete", "NewConsulClient", "err", err.Error())
return ErrConsulConnect
}
consulInfo, notExist := c.repository.Consul().Find(ns, name)
if notExist == true {
_ = level.Error(c.logger).Log("Delete", "Find Not Found")
return ErrConsulGet
}
if err = consulClient.ACLDelete(consulInfo.Token); err != nil {
_ = level.Error(c.logger).Log("Delete", "ACLDelete", "err", err.Error())
return ErrConsulDelete
}
if err = c.repository.Consul().Delete(ns, name); err != nil {
_ = level.Error(c.logger).Log("Delete", "DB", "err", err.Error())
return ErrConsulDelete
}
return nil
}
func (c *service) KVDetail(ctx context.Context, ns, name, prefix string) (res map[string]interface{}, err error) {
consulInfo, notExist := c.repository.Consul().Find(ns, name)
if notExist == true {
err = ErrConsulNotExist
return
}
kvClient, err := consul.NewKVClient(c.cf, consulInfo.Token)
if err != nil {
_ = level.Error(c.logger).Log("KVDetail", "NewKVClient", "err", err.Error())
err = ErrConsulConnect
return
}
pairs, err := kvClient.KVGet(prefix)
if err != nil {
_ = level.Error(c.logger).Log("KVDetail", "KVGet", "err", err.Error())
err = ErrConsulKVGet
return
}
return map[string]interface{}{
"key": pairs.Key,
"value": string(pairs.Value),
}, nil
}
func (c *service) KVList(ctx context.Context, ns, name, prefix string) (res map[string]interface{}, err error) {
consulInfo, notExist := c.repository.Consul().Find(ns, name)
if notExist == true {
err = ErrConsulNotExist
return
}
kvClient, err := consul.NewKVClient(c.cf, consulInfo.Token)
if err != nil {
_ = level.Error(c.logger).Log("KVList", "NewKVClient", "err", err.Error())
err = ErrConsulConnect
return
}
list, err := kvClient.KVList(prefix)
if err != nil {
_ = level.Error(c.logger).Log("KVList", "KVList", "err", err.Error())
err = ErrConsulKVGet
return
}
var data []string
for _, value := range list {
v := strings.Replace(string(value.Key), prefix, "", 1)
if v == "" {
continue
}
if strings.Contains(v, "/") == false {
data = append(data, v)
continue
}
index := strings.Index(v, "/")
v = v[0 : index+1]
if len(data) <= 0 {
data = append(data, v)
continue
}
var inData bool
for _, vv := range data {
if vv == v {
inData = true
}
}
if inData != true {
data = append(data, v)
}
}
return map[string]interface{}{"prefix": prefix, "detail": data}, nil
}
func (c *service) KVPost(ctx context.Context, ns, name, key, value string) (err error) {
consulInfo, notExist := c.repository.Consul().Find(ns, name)
if notExist == true {
err = ErrConsulNotExist
return
}
kvClient, err := consul.NewKVClient(c.cf, consulInfo.Token)
if err != nil {
_ = level.Error(c.logger).Log("KVPost", "NewKVClient", "err", err.Error())
err = ErrConsulConnect
return
}
if !strings.Contains(key, ns+"."+name) {
err = ErrConsulKVParams
return
}
err = kvClient.KVPut(key, value)
if err != nil {
_ = level.Error(c.logger).Log("KVPost", "KVPut", "err", err.Error())
err = ErrConsulKVPost
return
}
return
}
func (c *service) KVDelete(ctx context.Context, ns, name, prefix string, filderState bool) (err error) {
consulInfo, notExist := c.repository.Consul().Find(ns, name)
if notExist == true {
err = ErrConsulNotExist
return
}
kvClient, err := consul.NewKVClient(c.cf, consulInfo.Token)
if err != nil {
_ = level.Error(c.logger).Log("KVDelete", "NewKVClient", "err", err.Error())
err = ErrConsulConnect
return
}
if filderState == true {
err = kvClient.KVDeleteTree(prefix)
} else {
err = kvClient.KVDelete(prefix)
}
if err != nil {
_ = level.Error(c.logger).Log("KVDelete", "KVDelete", err, err.Error())
err = ErrConsulKVDelete
return
}
return nil
}